Systems and methods are provided for preparation of orthodontics and prosthodontics. A method may include scanning a patient's teeth to form first 3D data of the patient's teeth including a removable element that obscures part of the dental surfaces of the patient's teeth and non-obscured tooth surfaces, removing the removable element form the patient's teeth so that the removable element no longer obscures the part of the dental surfaces of the patient's teeth, and scanning the previously obscured part of the dental surfaces of the patent's teeth and the non-obscured tooth surfaces.
Legal claims defining the scope of protection, as filed with the USPTO.
1. A system for scanning a patient's teeth for a dental procedure, the system comprising: a hand-held intraoral scanner; and a computer readable medium including instructions that when executed by a computer system, cause the computer system to: receive first scan data of the patient's teeth from the hand-held intraoral scanner; display, to a display, a model of the patient's teeth, wherein the model of the patient's teeth is based on the received first scan data of the patient's teeth; receive user input defining a portion of the model to be removed; remove, from the displayed model, a removed surface portion of the model to be removed according to the user input; receive second scan data of the patient's teeth from the hand-held intraoral scanner, the second scan data including surface data of a physically changed portion of the patient's intraoral cavity; replace at least a portion of the removed surface portion of the model using the received second scan data of the patient's teeth including surface data of a physically changed portion of the patient's intraoral cavity; and output, to the display, the model of the patient's teeth with the portion of the removed surface portion replaced using the received second scan data.
2. The system of claim 1 , wherein the hand-held intraoral scanner comprises a probing member with a sensing face, an illumination unit, a light focusing optics defining one or more focal planes forward the sensing face, and a translation mechanism for displacing the one or more focal planes relative to the sensing face.
3. The system of claim 2 , wherein the system further comprises the computer system and the display; wherein the system further comprises a mouse or wherein the display comprises a touch screen display; and wherein the user input defining portion of the model to be removed is received by the mouse or the touch screen display.
4. The system of claim 1 , wherein the instructions to replace the at least the portion of the removed surface portion of the model using the received second scan data comprise instructions to register the received second scan data with the model.
5. The system of claim 4 , wherein the received second scan data is registered with the model by aligning identifying data of the received second scan data with corresponding parts of the model.
6. The system of claim 5 , wherein the instructions to replace the at least the portion of the removed surface portion of the model using the received second scan data comprise instructions to further stitch a portion of the received second scan data with the model.
7. The system of claim 6 , wherein the instructions to replace the at least the portion of the removed surface portion of the model using the received second scan data comprise instructions to further discard a remainder of the received second scan data, the remainder including the identifying surface data, after stitching the portion of the received second scan data with the model.
8. The system of claim 1 , wherein the computer readable medium further includes instructions that when executed by the computer system, cause the computer system to: mark, on the displayed model, the user input defined portion, after receiving the user input and before removing the removed surface portion of the model.
9. A method for scanning a patient's teeth for a dental procedure, the method comprising: receiving first scan data of the patient's teeth from a hand-held intraoral scanner; displaying, to a display, a model of the patient's teeth, wherein the model of the patient's teeth is based on the received first scan data of the patient's teeth; receiving user input via the displayed model demarcating a portion of the model to be retained and a surface portion of the model to be replaced; receiving second scan data of the patient's teeth from the hand-held intraoral scanner, the second scan data including surface data of a physically changed portion of the patient's intraoral cavity; replacing at least a portion of the surface portion of the model to be replaced according to the user input using at least a portion of the second scan data of the patient's teeth including the physically changed portion; and outputting, to the display, the model of the patient's teeth with the at least the portion of the surface portion replaced using the second scan data.
10. The method of claim 9 , further comprising marking an area on the displayed model associated with the received user input.
11. The method of claim 9 , wherein replacing the at least the portion of the surface portion of the model to be replaced according to the user input using at least the portion of the second scan data comprises registering the second scan data with the model by aligning identifying data of the second scan data with corresponding parts of the model.
12. The method of claim 11 , wherein replacing the at least the portion of the surface portion of the model to be replaced according to the user input using at least the portion of the second scan data further comprises stitching the at least the portion of the second scan data with the model.
13. The method of claim 12 , wherein replacing the at least the portion of the surface portion of the model to be replaced according to the user input using the at least the portion of the second scan data further comprises discarding a remainder of the second scan data, including the identifying surface data, after stitching the at least the portion of the second scan data with the model.
14. The method of claim 9 , wherein the model of the patient's teeth comprises a tooth preparation having a finish line, wherein a portion of the finish line is obscured or distorted, and wherein the physical change results in the finish line not being obscured or distorted.
15. The method of claim 9 , wherein the model of the patient's teeth comprises a tooth preparation that accurately represents a surface of a physical preparation of the patient, and wherein the method further comprises analyzing the tooth preparation of the model to determine whether the surface of the physical preparation is suitable for a dental prosthesis; and wherein the physical change is a physical modification of the surface of the physical preparation of the patient.
16. The method of claim 15 , wherein the dental prosthesis comprises a dental crown and wherein the tooth preparation analysis comprises analysis of the model with respect to a virtual model of an opposing dentition of an opposite jaw to determine whether the tooth preparation would result in an inadequate structure for the dental crown.
17. A system for intraorally scanning a patient's teeth for a dental procedure, the system comprising: a hand-held intraoral scanner; and a computer readable medium including instructions that when executed by a computer system, cause the computer system to: receive first scan data of the patient's teeth from the hand-held intraoral scanner; display, to a display, a model of the patient's teeth, wherein the model of the patient's teeth is based on the received first scan data of the patient's teeth; receive user input defining a portion of the model to be removed; after receiving the user input, remove, from the displayed model, a removed surface portion of the model to be removed according to the user input; after removing the portion of the model, receive second scan data of the patient's teeth from the hand-held intraoral scanner; register the second scan data with the model by aligning identifying data of the second scan data with corresponding parts of the model; replace at least a portion of the removed surface portion of the model using at least a portion of the received second scan data of the patient's teeth; discarding a remainder of the second scan data, including the identifying data, after registering the second scan data with the model; and output, to the display, the model of the patient's teeth with the portion of the removed surface portion replaced using the received scan data.
18. The system of claim 17 , wherein the hand-held intraoral scanner comprises a probing member with a sensing face, an illumination unit, a light focusing optics defining one or more focal planes forward the sensing face, and a translation mechanism for displacing the one or more focal planes relative to the sensing face.
19. The system of claim 18 , wherein the system further comprises the computer system and the display; wherein the system further comprises a mouse or wherein the display comprises a touch screen display; and wherein the user input defining portion of the model to be removed is received by the mouse or the touch screen display.
20. The system of claim 17 , wherein the portion of the removed surface portion of the model is replaced using at least the portion of the received second scan data by registering the second scan data with the model.
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September 27, 2019
October 6, 2020
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